Observed at: Ottawa Macdonald-Cartier Int'l Airport
Date: Thursday May 24, 2018 at 04:00 EDT
Mainly Clear
Mainly Clear
Temp.: 10.6 °C
Wind: NNW 8 km/h
Humidity: 40 %
Dew point: -2.4 °C
Pressure: 102.0 kPa
Tendency: rising
Visibility: 24.1 km
Sunrise: 05:23
Sunset: 20:35
Normals:
Max 21°C Min 10°C
Yesterday
  Max: 23.9 °C
  Min: 9.4 °C
  Rainfall: 0.0 mm

 Extended Forecast - Environment Canada
  Thursday
Sunny
Sunny
Max: 25°C
Friday
Chance of showers (30%)
Chance of showers
Max: 28°C
Saturday
Chance of showers or thundershowers (60%)
Chance of showers or thundershowers
Max: 26°C
Sunday
Chance of showers or thundershowers (60%)
Chance of showers or thundershowers
Max: 23°C
Monday
Chance of showers (30%)
Chance of showers
Max: 24°C
Tuesday
Sunny
Sunny
Max: 25°C
Wednesday night
A few clouds
A few clouds
Min: 8°C
Thursday night
A few clouds
A few clouds
Min: 14°C
Friday night
Chance of showers (40%)
Chance of showers
Min: 13°C
Saturday night
Chance of showers or thundershowers (60%)
Chance of showers or thundershowers
Min: 16°C
Sunday night
Chance of showers or thundershowers (60%)
Chance of showers or thundershowers
Min: 15°C
Monday night
Cloudy periods
Cloudy periods
Min: 16°C

Forecast

Ottawa (Kanata - Orléans), ON (Issued: Wednesday May 23, 2018 at 15:30 EDT)

Tonight
A few clouds. Wind west 30 km/h becoming light this evening. Low 8.
Thursday
Sunny. Wind becoming southwest 20 km/h near noon. High 25. UV index 8 or very high.
Thursday night
Clear. Becoming partly cloudy after midnight. Wind southwest 20 km/h. Low 14.
Friday
A mix of sun and cloud with 30 percent chance of showers. High 28.
Friday night
Cloudy periods with 40 percent chance of showers. Low 13.
Saturday
Cloudy with 60 percent chance of showers or thunderstorms. High 26.
Saturday night
Cloudy with 60 percent chance of showers or thunderstorms. Low 16.
Sunday
A mix of sun and cloud with 60 percent chance of showers or thunderstorms. High 23.
Sunday night
Cloudy periods with 60 percent chance of showers or thunderstorms. Low 15.
Monday
A mix of sun and cloud with 30 percent chance of showers. High 24.
Monday night
Cloudy periods. Low 16.
Tuesday
Sunny. High 25.
Averages and extremes
Highest temperature(1939-2011)32.4 °C2007
Lowest temperature(1939-2011)-2.8 °C1956
Average high20.9 °C 
Average low9.3 °C 
Average15.1 °C 
Greatest rainfall(1939-2011)42.4 mm2003
Greatest snowfall(1939-2011)0.0 cm1939
Greatest precipitation(1939-2011)42.4 mm2003
Most snow on the ground(1955-2011)0.0 cm1955
Monthly frequency of precipitation43.0 % 

24 Hour Forecast - Ottawa (Kanata - Orléans), ON

Date/Time
(EDT)
Temp.
(°C)

Weather Conditions

LOP †
Wind
(km/h)
24 May 2018
05:00 8 Mainly sunny (0%)  Mainly sunny Nil NW 10
06:00 10 Sunny (0%)  Sunny Nil VR 5
07:00 12 Sunny (0%)  Sunny Nil VR 5
08:00 14 Sunny (0%)  Sunny Nil VR 5
09:00 15 Sunny (0%)  Sunny Nil VR 5
10:00 17 Sunny (0%)  Sunny Nil VR 5
11:00 18 Sunny (0%)  Sunny Nil VR 5
12:00 20 Sunny (0%)  Sunny Nil SW 20
13:00 21 Sunny (0%)  Sunny Nil SW 20
14:00 23 Sunny (0%)  Sunny Nil SW 20
15:00 24 Sunny (0%)  Sunny Nil SW 20
16:00 24 Sunny (0%)  Sunny Nil SW 20
17:00 25 Sunny (0%)  Sunny Nil SW 20
18:00 24 Sunny (0%)  Sunny Nil SW 20
19:00 23 Sunny (0%)  Sunny Nil SW 20
20:00 22 Sunny (0%)  Sunny Nil SW 20
21:00 21 Clear (0%)  Clear Nil SW 20
22:00 20 Clear (0%)  Clear Nil SW 20
23:00 19 Clear (0%)  Clear Nil SW 20
25 May 2018
00:00 18 Clear (0%)  Clear Nil SW 20
01:00 17 Clear (0%)  Clear Nil SW 20
02:00 16 Partly cloudy (0%)  Partly cloudy Nil SW 20
03:00 15 Partly cloudy (0%)  Partly cloudy Nil SW 20
04:00 15 Partly cloudy (0%)  Partly cloudy Nil SW 20
 
† Likelihood of Precipitation (LOP) as described in the public forecast as a chance of measurable precipitation for a period of time.
  Nil: 0%
  Low: 40% or below
  Medium: 60% or 70%
  High: Above 70%

Environment Canada